Important Safety Instructions
When using electrical appliances, basic safety precautions should be followed, including the following:
- Read all instructions before using the appliance.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- Do not heat liquids or other foods in sealed containers as they are liable to explode.
- Do not use corrosive chemicals or vapors in this appliance.
- Always ensure the turntable and roller ring are correctly positioned before operation.
- This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Product Overview
The Magic Chef MCM990ST is a 0.9 cubic-foot, 900-watt countertop microwave oven designed for convenient food heating and cooking. It features a digital touch control panel and a stainless steel finish.

Image: Front view of the Magic Chef MCM990ST microwave oven, showcasing its stainless steel exterior and digital control panel.
Setup and Installation
Unpacking
Carefully remove the microwave oven and all packing materials from the carton. Check the oven for any damage, such as dents or a broken door. Do not operate the oven if it is damaged.
Placement
- This is a countertop installation type microwave. Place the oven on a flat, stable surface that can support its weight (approximately 31.35 pounds).
- Ensure adequate ventilation by leaving at least 4 inches of space around the top, back, and sides of the oven. Do not block air vents.
- Keep the oven away from heat sources and strong magnetic fields.
Included Components
Verify that the following components are included:
- Turntable
- Roller Ring (usually pre-installed or with turntable)
- User Manual (this document)
Install the turntable and roller ring inside the oven cavity before use.
Operating Instructions
The Magic Chef MCM990ST features a digital touch control panel for easy operation.
Basic Operation
- Setting Cook Time: Press the "Time Cook" button, then use the number pad to enter the desired cooking time.
- Setting Power Level: After setting the cook time, press the "Power Level" button and select a power level (e.g., 1-10, or percentage). The microwave operates at 900 Watts at full power.
- Start/Pause: Press the "Start" button to begin cooking. Press it again to pause.
- Stop/Cancel: Press the "Stop/Cancel" button to clear settings or stop cooking.
Special Features
- Turntable: The integrated turntable ensures even cooking by rotating food during operation. Ensure it is properly seated on the roller ring before use.
- Pre-set Functions: Refer to the control panel for specific pre-set cooking options (e.g., popcorn, potato, beverage).
Care and Maintenance
Cleaning the Exterior
Wipe the exterior surface with a damp cloth and mild detergent. Avoid abrasive cleaners or scouring pads.
Cleaning the Interior
Clean the interior cavity regularly with a damp cloth. For stubborn food splatters, place a bowl of water with lemon slices inside and heat for a few minutes to loosen residue, then wipe clean.
Turntable and Roller Ring
The glass turntable and roller ring can be removed for cleaning. Wash them in warm, soapy water or in the dishwasher. Ensure they are completely dry before placing them back in the oven.
Troubleshooting
If you experience issues with your microwave oven, consult the following common solutions:
- Oven will not start:
- Ensure the power cord is securely plugged into an electrical outlet.
- Check if a household fuse has blown or a circuit breaker has tripped.
- Make sure the door is securely closed.
- Verify that a cooking time has been set.
- Food not heating:
- Check if the power level is set correctly.
- Ensure the door is fully closed.
- Confirm the turntable is rotating.
- Sparking inside the oven:
- Remove any metal objects or foil from the oven.
- Ensure cookware is microwave-safe.
For persistent issues, contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Magic Chef |
| Model Name | MCM990ST |
| Capacity | 0.9 Cubic Feet |
| Power Consumption | 900 Watts |
| Installation Type | Countertop |
| Color | Stainless Steel |
| Material | Stainless Steel |
| Item Weight | 31.35 Pounds |
| Special Feature | Turntable |
| Controller Type | Button, Touch |
| Date First Available | January 31, 2017 |
Warranty Information
Magic Chef products typically come with a manufacturer's warranty. Please refer to the warranty card included with your product packaging or visit the official Magic Chef website for detailed warranty terms and conditions. Keep your purchase receipt as proof of purchase for warranty claims.
Customer Support
For technical assistance, service, or questions regarding your Magic Chef MCM990ST microwave oven, please contact Magic Chef customer support. You can often find contact information on the official Magic Chef website or within your product packaging.
Online resources are available at the Magic Chef Store.





